Whereas human and many animals use teeth to crush or grind food as an initial part of the digestive process, some species such as birds that lack teeth grind food inside the gizzard -- a structure ...

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Roasted meat Fire-kissed food is easier to digest and more nutritious than raw food is. Some anthropologists, such as Richard Wrangham of Harvard University, argue that cooking was the essential step ...

Food processing has been a part of human adaptation since deep in the past. The softening and breaking down of food left its testimony on the human body. For example, the massive teeth of our early ...

Processed food isn’t just a modern invention, created in factories from artificial ingredients. It is as old as humanity itself and may have helped create our species, writes Nicola Temple. My first ...